Bernhard Stiehl Ph.D.

Professur für Energiewandlung (Prof. Dr.-Ing. habil. Lars Zigan)
Gebäude 33/400, Zimmer 3414
+49 89 6004-4978
bernhard.stiehl@unibw.de

Bernhard Stiehl Ph.D.

Academia

Seit 10.2024

Post-Doc an der UniBwM, Institut für Thermodynamik LRT-10

dtec ELAPSED: Forschung am Thermomanagement von elektrischen Kleinflugzeugen

2021-2022            

Post-Doc an der University of Central Florida, Propulsion and Energy Research Laboratory

DOE/GE: Axially-staged gas turbine combustor

NSF: COVID-19 respiratory processes

2018-2020   

Studium Maschinenbau (Ph.D.) an der University of Central Florida, Propulsion and Energy Research Laboratory

DOE/GE: Axially-staged gas turbine combustor

2015-2017   

Studium Chemie- und Bioingenieurwesen (M.Sc.), FAU Erlangen-Nürnberg

2011-2014   

Studium Chemical Engineering (B.Sc.), FAU Erlangen-Nürnberg

 

 

Publications

2023

Numerical Investigation on the Deflagration-to-Detonation Run-up Distance of Hydrogen Flames at elevated Pressures

R Cideme, B Stiehl, KA Ahmed

AIAA SCITECH 2023 Forum, 1493

 

2022

 

2023

Onto Understanding the Mitigation of Airborne Pathogen Transmission

M Kinzel, J Reyes, D Fontes, A Foster, B Stiehl, S Schroeder, R Shrestha, ...

Bulletin of the American Physical Society 67

 

2022

A study of the role of droplet fluid properties on airborne pathogen transmission

R Shrestha, J Delgado, J Reyes, B Stiehl, M Kinzel

Bulletin of the American Physical Society 67

 

2022

On to Quantifying the Effect of Droplet Size Distribution on the Airborne Transmission of the Virus

R Shrestha, J Delgado, D Fontes, B Stiehl, J Reyes, S Schroeder, ...

Fluids Engineering Division Summer Meeting 85840, V002T05A025

 

2022

Interactions of Aerosol Droplets With Ventilated Airflows in the Context of Airborne Pathogen Transmission

S Schroeder, B Stiehl, J Delgado, R Shrestha, M Kinzel, K Ahmed

Fluids Engineering Division Summer Meeting 85833, V001T03A032

1

2022

The effect of relative air humidity on the evaporation timescales of a human sneeze

B Stiehl, R Shrestha, S Schroeder, J Delgado, A Bazzi, J Reyes, M Kinzel, ...

AIP advances 12 (7)

13

2022

Numerical Study of Three Gaseous Fuels on the Reactor Length and Pollutant Formation Under Lean Gas Turbine Conditions

B Stiehl, M Otto, M Newmyer, M Fortin, T Genova, K Ahmed, J Kapat, ...

Turbo Expo: Power for Land, Sea, and Air 86007, V03BT04A050

4

2022

Controlling pollutant emissions in a high-pressure combustor with fuel-diluent blending

B Stiehl, A Morales, T Genova, M Otero, S Martin, C Yoon, K Ahmed

Fuel 317, 123481

7

2022

The influence of pressure on flame-flow characteristics of a reacting jet in crossflow

M Otero, T Genova Jr, B Stiehl, AJ Morales, S Martin, KA Ahmed

Journal of Energy Resources Technology 144 (5), 052301

16

2022

Human research study of particulate propagation distance from human respiratory function

J Reyes, B Stiehl, J Delgado, M Kinzel, K Ahmed

The Journal of Infectious Diseases 225 (8), 1321-1329

9

2022

Modal Analysis of Breakup Mechanisms for a Liquid Jet in Crossflow

S Salauddin, W Flores, M Otero, B Stiehl, K Ahmed

Journal of Energy Resources Technology 144 (3), 032103

4

2022

Exploration of RP-2 liquid droplets interaction with a detonation wave

V Malik, S Salauddin, J Patten, KA Ahmed

AIAA SCITECH 2022 Forum, 0089

4

2022

C2*/CH* Intensity Ratios of Bluff Body Stabilized Flames Approaching Lean Blowout at Elevated Pressures

ME Tonarely, MK Fortin, T Genova, A Morales, B Stiehl, KA Ahmed

AIAA SCITECH 2022 Forum, 2088

3

2022

Dynamic Mode Decomposition Study of a RDRE Exhaust for Swirl Attenuation Using Various Nozzle Configurations

T Rezzag, RF Burke, A Rodriguez, K Garcia, B Stiehl, KA Ahmed

AIAA SciTech 2022 Forum, 0516

2

2022

Exploration of Large Eddy Simulation with Adaptive Mesh Refinement for a High-Pressure Staged Combustion System

B Stiehl, T Genova, MK Newmyer, MK Fortin, ME Tonarely, T Rezzag, ...

AIAA SCITECH 2022 Forum, 1721

1

2022

Preheating and premixing effects on NOx emissions in a high-pressure axially staged combustor

T Genova, M Otero, A Morales, B Stiehl, S Martin, K Ahmed

Combustion and Flame 235, 111710

 

2021

15

2022

Fuel Stratification Influence on NOx Emission in a Premixed Axial Reacting Jet-in-Crossflow at High Pressure

B Stiehl, T Genova, M Otero, S Martin, K Ahmed

Journal of Energy Resources Technology 143 (12), 122303

17

2021

The Effect of Pressure on NOx Entitlement and Reaction Timescales in a Premixed Axial Jet-In-Crossflow

B Stiehl, M Otero, T Genova, S Martin, K Ahmed

Journal of Energy Resources Technology 143 (11), 112306

23

2021

Simulation of Premixed and Partially Premixed Jet-in-Crossflow Flames at High Pressure

B Stiehl, M Otero, T Genova, T Worbington, J Reyes, S Martin, C Velez, ...

Journal of Engineering for Gas Turbines and Power 143 (3)

18

2021

Experimental and Numerical Investigation of NOx Formation in an Axially Staged Combustor Model

T Genova, B Stiehl, M Otero, A Morales, S Martin, K Ahmed

Proceedings of ASME Turbo Expo

5

2021

Numerical Simulation on the Effects of Hydrogen Doping in Natural Gas Jet-in-Crossflow Combustion

MK Newmyer, B Stiehl, KA Ahmed

AIAA Propulsion and Energy 2021 Forum, 3463

 

2021

Turbulent Combustion Modeling of a Staged Gas Turbine using Commercial CFD Code

B Stiehl, M Otero, T Genova, MK Newmyer, KA Ahmed, SM Martin

AIAA Propulsion and Energy 2021 Forum, 3487

2

2021

Effects of Dilution on Reacting Jet in Crossflow Flame Characteristics at High Pressure

M Otero, T Genova, M Tonarely, MK Fortin, B Stiehl, J Reyes, KA Ahmed, ...

AIAA Scitech 2021 Forum, 0513

4

2021

Emissions and Flame Characteristics of a High-Pressure Reacting Jet-in-Crossflow

T Genova, M Otero, MK Fortin, M Tonarely, B Stiehl, KA Ahmed, SM Martin

AIAA Scitech 2021 Forum, 0767

4

2021

Numerical Simulation of an Axial Reacting Jet-in-Crossflow at Elevated Pressure

B Stiehl, M Otero, T Genova, KA Ahmed, SM Martin

AIAA Scitech 2021 Forum, 0765

 

2020

2

2021

Experimental and Numerical Investigation of a High-Pressure Reacting Jet-in-Crossflow

T Genova, B Stiehl, M Otero, KA Ahmed, SM Martin

AIAA Propulsion and Energy 2020 Forum, 3703

7

2020

NOx Emission of an Axial-Staged Combustor at High-Pressure

B Stiehl, T Genova, M Otero, J Reyes, KA Ahmed, SM Martin

AIAA Propulsion and Energy 2020 Forum, 3693

9

2020

Numerical Investigation of Reacting Jet-in-Crossflow at High Pressure

B Stiehl

University of Central Florida

6

2020

Premixed Reacting Jet Flow Behavior in an Axially Staged Model Combustor at Elevated Pressure

M Otero, B Stiehl, T Genova, KA Ahmed, SM Martin

AIAA Propulsion and Energy 2020 Forum, 3701

7

2020

Numerical Simulation of an Axial-Staged Combustor at High Pressure

B Stiehl, T Worbington, A Woodard, KA Ahmed, C Velez, SM Martin

AIAA Scitech 2020 Forum, 0630

 

2019

16

2020

Combustion and Emission Characteristics of a Lean Axial-Stage Combustor

B Stiehl, T Worbington, A Miegel, S Martin, C Velez, K Ahmed

Turbo Expo: Power for Land, Sea, and Air 58622, V04BT04A044

17

2019

Exploration of a Reacting Jet-in-Crossflow in a High-Pressure Axial Stage Combustor

T Genova, M Otero, B Stiehl, J Reyes, SM Martin, K Ahmed

AIAA Propulsion and Energy 2019 Forum, 4290

18

2019

Characteristics of a Premixed Reacting Jet-in-Crossflow at Elevated Pressures

M Otero, T Genova, K Ahmed, B Stiehl, S Vasu, SM Martin

AIAA Propulsion and Energy 2019 Forum, 4289

 

2017

10

2019

Zünd- und Verbrennungsprozesse dieselähnlicher Kraftstoffe in einer Rapid Compression Machine - CFD-Simulation und Teststandsanalyse

B Stiehl

FRIEDRICH-ALEXANDER-UNIVERSITÄT ERLANGEN-NÜRNBERG LEHRSTUHL FÜR TECHNISCHE …

 

2017

2014

Bifunktionelle Kern-Schale-Katalysatoren zur einstufigen Umsetzung von Methanol zu Dimethylether - Variation und Optimierung der Schalensynthese

B Stiehl

FRIEDRICH-ALEXANDER-UNIVERSITÄT ERLANGEN-NÜRNBERG LEHRSTUHL FÜR CHEMISCHE …

 

2014